Add 50/45 and 56/18
1st number: 1 5/45, 2nd number: 3 2/18
50/45 + 56/18 is 38/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
50/45 = 50 × 2/45 × 2 = 100/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
56/18 = 56 × 5/18 × 5 = 280/90 - Add the two like fractions:
100/90 + 280/90 = 100 + 280/90 = 380/90 - 380/90 simplified gives 38/9
- So, 50/45 + 56/18 = 38/9
In mixed form: 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+56/18 50/45+56/36 50/45+56/54 50/45+56/90